2–10 RPN: The Automatic Memory Stack
File name 33s-E-Manual-1008-Publication(1st).doc Page : 386
Printed Date : 2003/10/8 Size : 13.7 x 21.2 cm
Keys: Display: Description:
96.704
Ï
Enters first number.
52.3947
Ù
Intermediate result.
¹
Í
Brin
s back display from before
Ù
.
¯
Final result.
Example:
Two close stellar neighbors of Earth are Rigel Centaurus (4.3 light–years away)
and Sirius (8.7 light–years away). Use c, the speed of light (9.5
×
10
15
meters per
year) to convert the distances from the Earth to these stars into meters:
To Rigel Centaurus: 4.3 yr
×
(9.5
×
10
15
m/yr).
To Sirius: 8.7 yr
×
(9.5
×
10
15
m/yr).
Keys: Display: Description:
4.3
Ï
Light–years to Rigel Centaurus.
9.5
}
15
_
Speed of light, c.
¸
Meters to R. Centaurus.
8.7
¹
Í
Retrieves c.
¸
Meters to Sirius.
Chain Calculations in RPN mode
In RPN mode, the automatic lifting and dropping of the stack's contents let you
retain intermediate results without storing or reentering them, and without using
parentheses.
Work from the Parentheses Out
For example, solve (12 + 3)
×
7.
If you were working out this problem on paper, you would first calculate the
intermediate result of (12 + 3) ...
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